Leapmotor B10: How to Write It Correctly (Spelling, Capitalization & Grammar)

The correct form is Leapmotor B10 — one word for the brand (“Leapmotor,” not “Leap Motor”), a capital “B” with no space before the numeral (“B10,” not “b10” or “B 10”). Use “a B10” (not “an”), pluralize it as “B10s” (no apostrophe), and write the possessive as “the B10’s range” when referring to a feature of the car itself.

Is It “Leapmotor” or “Leap Motor”?

“Leapmotor” is one word. It’s the official name of the company, so treat it like any other single-word brand name — no space, no hyphen.

• Correct: Leapmotor unveiled its B10 in 2025.
• Incorrect: Leap Motor unveiled its B10 in 2025.

This matters beyond this one brand: compound brand names don’t follow a predictable spelling rule. Some are one word (“Leapmotor”), some are two (“Tesla Motors”), and some use internal capitals (“BMW,” “FedEx”). When in doubt, the rule is simple — match the brand’s own official spelling rather than guessing.

Capitalizing the Model Code — Why It’s “B10,” Not “b10”

Model codes made of a letter plus a number are written in capitals, with no space between the letter and the number.

• Correct: B10
• Incorrect: b10, B 10, B-10

The reasoning is straightforward: the letter functions like an abbreviation or initial, and initials are capitalized in English. The number attaches directly to it, the same way you’d write “Boeing 747” or “iPhone 15” — no space, no hyphen, unless the manufacturer’s official name includes one.

“A B10” or “An B10”? — Choosing the Right Article

Use “a B10,” not “an B10.”

This trips people up because “B10” starts with a letter that looks like it might need “an.” But the rule for choosing “a” or “an” is based on sound, not spelling. “B” is pronounced “bee” — a consonant sound — so it takes “a,” just like “a UFO” (pronounced “you-eff-oh”) or “a European” (pronounced “yer-uh-pee-an”).

• Correct: I drove a B10 last week.
• Incorrect: I drove an B10 last week.

This is a transferable rule: any time you’re unsure whether to use “a” or “an” before an abbreviation or model code, say the letter or number out loud first. If it starts with a vowel sound (“an SUV,” “an MBA”), use “an.” If it starts with a consonant sound (“a B10,” “a URL”), use “a.”

A mistake I actually made once

I took a quick freelance job reviewing new car launches for a client’s blog a few years ago, and I typed “an Leapmotor B10” without even thinking twice — the capital letter just looked like it needed “an.” My editor sent it back with one line: “Say it out loud before you type it.” I felt my face go red. Of course it’s “a B10,” it’s pronounced “bee-ten.” That one comment changed how I write every model number, acronym, and abbreviation since. Now I actually mouth the word before deciding which article to use, and I haven’t gotten it wrong again how English handles plurals and countable nouns.

Making It Plural — “B10s,” Not “B10’s”

To make “B10” plural, just add “s.” Don’t add an apostrophe.

• Correct: Several B10s were on display at the show.
• Incorrect: Several B10’s were on display at the show.

This is one of the most common punctuation mistakes in English generally, not just with car names: an apostrophe before “s” shows possession (“the car’s engine”), not a plural. “B10’s” would mean something belonging to the B10 — not more than one B10.

Showing Possession — “Leapmotor’s B10” vs. “the B10’s Design”

Both forms are correct — they just show possession by different things:

• “Leapmotor’s B10” — the B10 belongs to (is made by) Leapmotor.
  Leapmotor’s B10 is the brand’s first model in the B-Series.
• “The B10’s design” — a feature belongs to the car itself.
  The B10’s touchscreen measures 14.6 inches.

A common error is putting the apostrophe on the wrong word, as in “Leapmotor B10’s first model” — this incorrectly makes “B10” possess “first model,” when the intended meaning is that Leapmotor possesses the B10.

Quick Reference Table

Common Mistakes to Avoid

• Splitting “Leapmotor” into two words. It’s a single brand name, written solid.
• Lowercasing the model letter. Write “B10,” never “b10.”
• Choosing “an” by spelling instead of sound. “B” sounds like “bee,” a consonant sound, so it takes “a.”
• Adding an apostrophe for a simple plural. “B10s” needs no apostrophe unless you’re showing possession.
• Inserting a hyphen or space that isn’t part of the official name. There’s no “B-10” or “B 10” — it’s “B10,” closed up.

About the Author

Faizan Babar writes about English grammar, vocabulary, and everyday language mistakes at ZyluxMag. After years of freelance writing and editing across niches — from tech to automotive content — he’s picked up a habit of catching the small grammar slips that even careful writers miss, often the hard way. He believes the best grammar lessons come from real mistakes, not just rulebooks, and writes ZyluxMag’s guides to help other writers skip the embarrassment he didn’t.